From: Eric Biggers <ebiggers@kernel.org>
To: Ard Biesheuvel <ardb@kernel.org>
Cc: linux-crypto@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
herbert@gondor.apana.org.au, will@kernel.org,
kernel-team@android.com
Subject: Re: [PATCH v6 4/6] crypto: arm64/aes-ccm - remove non-SIMD fallback path
Date: Wed, 26 May 2021 09:57:49 -0700 [thread overview]
Message-ID: <YK5+Dfau6258hulo@gmail.com> (raw)
In-Reply-To: <20210526100729.12939-5-ardb@kernel.org>
On Wed, May 26, 2021 at 12:07:27PM +0200, Ard Biesheuvel wrote:
> AES/CCM on arm64 is implemented as a synchronous AEAD, and so it is
> guaranteed by the API that it is only invoked in task or softirq
> context. Since softirqs are now only handled when the SIMD is not
> being used in the task context that was interrupted to service the
> softirq, we no longer need a fallback path. Let's remove it.
>
> Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
> ---
> arch/arm64/crypto/aes-ce-ccm-glue.c | 153 ++++----------------
> 1 file changed, 32 insertions(+), 121 deletions(-)
Reviewed-by: Eric Biggers <ebiggers@google.com>
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-05-26 18:04 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-26 10:07 [PATCH v6 0/6] running kernel mode SIMD with softirqs disabled Ard Biesheuvel
2021-05-26 10:07 ` [PATCH v6 1/6] crypto: arm64/gcm-aes-ce - remove non-SIMD fallback path Ard Biesheuvel
2021-05-26 10:07 ` [PATCH v6 2/6] crypto: arm64/aes-neonbs - stop using SIMD helper for skciphers Ard Biesheuvel
2021-05-26 10:07 ` [PATCH v6 3/6] crypto: arm64/aes-ce " Ard Biesheuvel
2021-05-26 10:07 ` [PATCH v6 4/6] crypto: arm64/aes-ccm - remove non-SIMD fallback path Ard Biesheuvel
2021-05-26 16:57 ` Eric Biggers [this message]
2021-05-26 10:07 ` [PATCH v6 5/6] crypto: arm64/aes-ccm - reduce NEON begin/end calls for common case Ard Biesheuvel
2021-05-26 17:14 ` Eric Biggers
2021-05-26 18:08 ` Ard Biesheuvel
2021-05-26 10:07 ` [PATCH v6 6/6] crypto: arm64/aes-ccm - avoid by-ref argument for ce_aes_ccm_auth_data Ard Biesheuvel
2021-05-26 17:18 ` Eric Biggers
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=YK5+Dfau6258hulo@gmail.com \
--to=ebiggers@kernel.org \
--cc=ardb@kernel.org \
--cc=herbert@gondor.apana.org.au \
--cc=kernel-team@android.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-crypto@vger.kernel.org \
--cc=will@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).